- Damp Proofing Malmesbury: compare quotes from independent damp proofing and waterproofing contractors for older town houses, farms and newer developments.
- Send one request with your area and the problem. Contractors covering Malmesbury quote you directly.
- Free, with no obligation. This website does not inspect or repair. The contractor you appoint does.
Your area, where the damp is, how long it has been there and a photo is all you need.
Compare QuotesDamp Proofing Malmesbury Prices
| Item | Ballpark price |
|---|---|
| Damp assessment, per property | R800 - R2,500 |
| Chemical DPC injection, per linear metre | R350 - R750 |
| Rising damp with hack-off and replaster, per linear metre | R450 - R1,600 |
| Interior damp proofing coating, per m² | R180 - R350 |
| Retaining wall waterproofing, per m² | R250 - R550 |
| Exterior French drain, per linear metre | R300 - R600 |
| Shower strip, new membrane and retile, per shower | R12,000 - R25,000 |
| Interior replastering, per m² | R200 - R250 |
Ballpark figures, not quotations. Indicative 2026 ranges, rounded, from published South African damp-proofing, waterproofing and plastering price guides (Cape Town and Western Cape guides where available, national and Gauteng guides otherwise), checked October 2026. Some include VAT and some do not, so confirm VAT on every quote. A site assessment and a written quote set the actual price. Some contractors add a travel charge outside their base area, so ask whether it is included.
Common Damp Problems in Malmesbury
| Problem | Usual work |
|---|---|
| Tide marks and salts low on walls of older houses | Rising damp treatment, DPC injection and replastering |
| Bubbling paint and crumbling plaster left after earlier damp | Damp wall repairs |
| Damp on walls built into the slope and on split levels | Lateral damp treatment, retaining wall waterproofing |
| Water collecting against the house in winter | French drains |
| Leaking showers staining walls and ceilings | Shower waterproofing |
Local Conditions Contractors Should Plan For
- Hot summers, cold winters. Salts crystallise as damp walls dry in the heat, so plaster damage shows even when walls look dry.
- Clay soils. Clay holds water against walls below ground and moves as it wets and dries, which can crack walls.
- Travel. Fewer contractors are based here, so some add a travel charge. Ask whether it is included.
- Older houses. Many were built without an effective DPC, or have one bridged by later paving, soil or plaster.
What to Send for an Accurate Quote
- Town and street area.
- Where the damp shows, how high and how big.
- Whether it gets worse after rain.
- House, townhouse, flat or commercial property.
- Photos inside and outside the affected wall.
Comparing Quotes
Ask each contractor to state the cause they found, the method, measured areas, what reinstatement is included, guarantee terms and VAT, so you compare the same job.
Send one request through Damp Proofing Cape Town and compare quotes from contractors covering Malmesbury.
Frequently Asked Questions
How much does damp proofing cost in Malmesbury?
As 2026 ballparks, chemical DPC injection is roughly R350 - R750 per linear metre, and rising damp treatment with replastering about R450 - R1,600 per linear metre. The cause and the area affected set the price.
Does clay soil cause damp?
Clay holds water against walls below ground and can move as it wets and dries. It adds to lateral damp and cracking.
Is the site inspection free?
It depends on the contractor. Some quote after a free site visit, others charge an assessment fee, especially for a written report.
Do contractors charge extra to travel to Malmesbury?
Some do, depending on where they are based. Ask whether travel is included in the quote.
Will every contractor cover Malmesbury?
No. Relevant contractors that cover your area respond, and numbers vary by job.
Related Pages
Damp Proofing Cape Town is a free quote-comparison service. Damp is inspected, quoted and repaired by independent damp proofing contractors, and your agreement is with the contractor you appoint. Ask each one for a written, itemised quote, what is and is not included, guarantee terms and payment terms before paying anything.
Damp Proofing Malmesbury. Describe the damp once and compare quotes from contractors covering Malmesbury.
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